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## Main Question or Discussion Point

Hello there, my physics friends.

I was hoping ye could answer a wee question I have on the phonon spectrum. Mainly,what is it? I know one of the mediations is sound but that's about it. If possible could you put it in terms similar to that of the electromagnetic spectrum.

Thanks in advance for all your help, it's much appreciated.

I was hoping ye could answer a wee question I have on the phonon spectrum. Mainly,what is it? I know one of the mediations is sound but that's about it. If possible could you put it in terms similar to that of the electromagnetic spectrum.

Thanks in advance for all your help, it's much appreciated.